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Bluetooth: service for pairing notification

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Use a foreground service to show the notification, separating dialog
creation from the receiver.

Test: pair request from remote device while the screen is off
Bug: 35234069
Change-Id: Ia3be3e8efdacf465e095af5a498ef5eb0fca83cd
This commit is contained in:
Marie Janssen
2017-02-14 18:49:17 -08:00
parent 6f7437580c
commit d06d83c531
3 changed files with 168 additions and 94 deletions
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121
src/com/android/settings/bluetooth/BluetoothPairingRequest.java
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@@ -16,110 +16,47 @@
package com.android.settings.bluetooth;
import android.app.Notification;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.bluetooth.BluetoothDevice;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.res.Resources;
import android.os.PowerManager;
import android.text.TextUtils;
import com.android.settings.R;
import android.os.UserHandle;
/**
* BluetoothPairingRequest is a receiver for any Bluetooth pairing request. It
* checks if the Bluetooth Settings is currently visible and brings up the PIN, the passkey or a
* confirmation entry dialog. Otherwise it puts a Notification in the status bar, which can
* be clicked to bring up the Pairing entry dialog.
* confirmation entry dialog. Otherwise it starts the BluetoothPairingService which
* starts a notification in the status bar that can be clicked to bring up the same dialog.
*/
public final class BluetoothPairingRequest extends BroadcastReceiver {
private static final int NOTIFICATION_ID = android.R.drawable.stat_sys_data_bluetooth;
@Override
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
if (action.equals(BluetoothDevice.ACTION_PAIRING_REQUEST)) {
// convert broadcast intent into activity intent (same action string)
BluetoothDevice device =
intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
int type = intent.getIntExtra(BluetoothDevice.EXTRA_PAIRING_VARIANT,
BluetoothDevice.ERROR);
Intent pairingIntent = new Intent();
pairingIntent.setClass(context, BluetoothPairingDialog.class);
pairingIntent.putExtra(BluetoothDevice.EXTRA_DEVICE, device);
pairingIntent.putExtra(BluetoothDevice.EXTRA_PAIRING_VARIANT, type);
if (type == BluetoothDevice.PAIRING_VARIANT_PASSKEY_CONFIRMATION ||
type == BluetoothDevice.PAIRING_VARIANT_DISPLAY_PASSKEY ||
type == BluetoothDevice.PAIRING_VARIANT_DISPLAY_PIN) {
int pairingKey = intent.getIntExtra(BluetoothDevice.EXTRA_PAIRING_KEY,
BluetoothDevice.ERROR);
pairingIntent.putExtra(BluetoothDevice.EXTRA_PAIRING_KEY, pairingKey);
}
pairingIntent.setAction(BluetoothDevice.ACTION_PAIRING_REQUEST);
pairingIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
PowerManager powerManager =
(PowerManager)context.getSystemService(Context.POWER_SERVICE);
String deviceAddress = device != null ? device.getAddress() : null;
String deviceName = device != null ? device.getName() : null;
boolean shouldShowDialog= LocalBluetoothPreferences.shouldShowDialogInForeground(
context, deviceAddress, deviceName);
if (powerManager.isInteractive() && shouldShowDialog) {
// Since the screen is on and the BT-related activity is in the foreground,
// just open the dialog
context.startActivity(pairingIntent);
} else {
// Put up a notification that leads to the dialog
Resources res = context.getResources();
Notification.Builder builder = new Notification.Builder(context)
.setSmallIcon(android.R.drawable.stat_sys_data_bluetooth)
.setTicker(res.getString(R.string.bluetooth_notif_ticker));
PendingIntent pending = PendingIntent.getActivity(context, 0,
pairingIntent, PendingIntent.FLAG_ONE_SHOT);
String name = intent.getStringExtra(BluetoothDevice.EXTRA_NAME);
if (TextUtils.isEmpty(name)) {
name = device != null ? device.getAliasName() :
context.getString(android.R.string.unknownName);
}
builder.setContentTitle(res.getString(R.string.bluetooth_notif_title))
.setContentText(res.getString(R.string.bluetooth_notif_message, name))
.setContentIntent(pending)
.setAutoCancel(true)
.setDefaults(Notification.DEFAULT_SOUND)
.setColor(context.getColor(
com.android.internal.R.color.system_notification_accent_color));
NotificationManager manager = (NotificationManager)
context.getSystemService(Context.NOTIFICATION_SERVICE);
manager.notify(NOTIFICATION_ID, builder.getNotification());
}
} else if (action.equals(BluetoothDevice.ACTION_PAIRING_CANCEL)) {
// Remove the notification
NotificationManager manager = (NotificationManager) context
.getSystemService(Context.NOTIFICATION_SERVICE);
manager.cancel(NOTIFICATION_ID);
} else if (BluetoothDevice.ACTION_BOND_STATE_CHANGED.equals(action)) {
int bondState = intent.getIntExtra(BluetoothDevice.EXTRA_BOND_STATE,
BluetoothDevice.ERROR);
int oldState = intent.getIntExtra(BluetoothDevice.EXTRA_PREVIOUS_BOND_STATE,
BluetoothDevice.ERROR);
if((oldState == BluetoothDevice.BOND_BONDING) &&
(bondState == BluetoothDevice.BOND_NONE)) {
// Remove the notification
NotificationManager manager = (NotificationManager) context
.getSystemService(Context.NOTIFICATION_SERVICE);
manager.cancel(NOTIFICATION_ID);
}
}
@Override
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
if (!action.equals(BluetoothDevice.ACTION_PAIRING_REQUEST)) {
return;
}
// convert broadcast intent into activity intent (same action string)
Intent pairingIntent = BluetoothPairingService.getPairingDialogIntent(context, intent);
PowerManager powerManager =
(PowerManager)context.getSystemService(Context.POWER_SERVICE);
BluetoothDevice device =
intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
String deviceAddress = device != null ? device.getAddress() : null;
String deviceName = device != null ? device.getName() : null;
boolean shouldShowDialog = LocalBluetoothPreferences.shouldShowDialogInForeground(
context, deviceAddress, deviceName);
if (powerManager.isInteractive() && shouldShowDialog) {
// Since the screen is on and the BT-related activity is in the foreground,
// just open the dialog
context.startActivity(pairingIntent);
} else {
// Put up a notification that leads to the dialog
intent.setClass(context, BluetoothPairingService.class);
context.startServiceAsUser(intent, UserHandle.CURRENT);
}
}
}